- 33 -
TROUBLE SHOOTING GUIDE
PROBLEM
POSSIBLE CAUSE
REMEDY
Uneven stubble
Too much tilt on cutterbar
Reduce tilt (see page 22)
Low PTO speed (rotational
Increase engine speed (rotational
frequency)
frequency) to run PTO at 1000 rpm
(min
-1
) or at 540 rpm (min
-1
)
Knives not installed
Make sure that the arrow on the knife
correctly
upper face is pointing in the direction
of rotation of the disc (page 29)
Knives worn or dull
Replace knives
Poor crop flow over the
PTO speed (rotational
Reduce PTO speed (rotational
cutterbar when mowing on
frequency) too important
frequency) by a third
slopes at a low forward
speed
Stubble too long
Incorrect angle on
Reduce cutterbar angle
cutterbar
(see page 22)
Soil built up on front of
Very wet conditions
Reduce cutting unit down pressure.
cutterbar
Suspension spring setting
Check distance (Y) (pages 14 and 20).
incorrect
Tighten the side suspension springs
(page 23).
Discs stop rotating
Shear bolt broke
Replace shear bolt
during work
(see page 22)
Incorrect adaptation
Incorrect adjustment of
Check distance (Y)
to ground contours
frame
(see pages 14 and 28)
Excessive forward speed
Reduce forward speed
Insufficient air pressure
Increase the pressure in the lifting
in the lifting cylinders
cylinders (see page 29)
The tractor’s single acting
Shift the tractor’s single acting valve
hydraulic valve is not shifted
in free floating position
in the free floating position